Home / 7,339.52-11,011.12-3,439.38

Finding the Fourth Proportional to 7,339.52, 11,011.12 and 3,439.38

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Solution

The fourth proportional to 7,339.52, 11,011.12 and 3,439.38 is: 5,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.52 : 11,011.12 = 3,439.38 : x
  2. Step 2: Convert to fraction form
    7,339.52/11,011.12 = 3,439.38/x
  3. Step 3: Cross multiply
    7,339.52x = 11,011.12 × 3,439.38
  4. Step 4: Simplify right side
    7,339.52x = 37,871,425.91
  5. Step 5: Solve for x
    x = 37,871,425.91/7,339.52
  6. Step 6: Final answer
    x = 5,159.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.